FYI, I release a new version that includes a better feedback from the tests:
------------------------------
PROGRAM OUTPUT
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Output from '/usr/bin/make test':
PERL_DL_NONLAZY=1 "/home/cpan/bin/perl/bin/perl5.41.1" "-MExtUtils::Command::MM" "-MTest::Harness"
"-e" "undef *Test::Harness::Switches; test_harness(0, 'blib/lib', 'blib/arch')" t/*.t
# Is GNU tar? no
# Is BSD tar? no
# Version information: tar (busybox) 1.36.1
# Failed test 'testing file permissions'
# at t/001Basic.t line 140.
# got: '644'
# expected: '664'
# Known bug in Alpine Linux:https://bugs.busybox.net/show_bug.cgi?id=16102
# Looks like you failed 1 test of 24.
t/001Basic.t .......
Dubious, test returned 1 (wstat 256, 0x100)
Failed 1/24 subtests
(less 2 skipped subtests: 21 okay)
See
http://www.cpantesters.org/cpan/report/09992e66-27f1-11ef-8a1d-f943b68f1014
for more details.